| Name | What | Region | Country | Lat | Long | Elev ft. | Pop est |
|---|---|---|---|---|---|---|---|
| Sour Dough Flat (historical) | city | Montana | United States | 48.00 | -109.38 | 3746 | |
| Sour Lake | city | Texas | United States | 30.14 | -94.41 | 39 | |
| Sour Spring Grove | city | New York | United States | 43.01 | -78.92 | 830 | |
| Sourdough | city | Montana | United States | 45.90 | -109.81 | 4609 | |
| Sourdough (historical) | city | Alaska | United States | 61.36 | -142.73 | 1669 | |
| Souris | city | North Dakota | United States | 48.91 | -100.68 | 1669 | |
| Sours Mills | city | Pennsylvania | United States | 40.77 | -75.31 | 830 | |
| Sourwood | city | Kentucky | United States | 37.33 | -83.80 | 1079 |